{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x47bf0e68a1e08682139ece26a6cca32b62b3a7a95aa8ec8a953e7a83d363994c",
    "signature": "0x1ecf056ee895ae38e5993f097312a7d86480deafd762fdd664a1dcd02b7d56436da2db6f508f51cd16ffe5243ebb64355a0dfd28a596d74466326e29bbc4e3c31b",
    "signer": "0x5458796027aD8A259861E2C65ECFD1B027e9E8fA",
    "userId": "42614"
  }
}