{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "845727327",
    "entityType": "User",
    "nonce": "0xd036294f052470a522b52d1dee3ec04d3aa0ea2eeae849fa6f28b906c6cd76bd",
    "signature": "0x0f4aeb11c9721bad973a8920eaf4d1942a6a1c6e01153849cff117361a4410cd7026a0ce2257c8bd3a3519ac61cff086c7357f0c5b6e960a67aada0c2e3cb2201b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}