{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71941",
    "entityType": "User",
    "nonce": "0x6f132c7096b222816059c35e9e9a29d2b32489d7db021df5c681c69b19a9537a",
    "signature": "0xd9b2aa302cdfcfd0869d294f2850e9bc8ecb549c5abf98fa08e7144dc965bc75155c703d474e70de3af1759eb23446bcbb65bad5a099dfbe2e5807d51734f65f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}