{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "455179560",
    "entityType": "User",
    "nonce": "0xd61a0518c3ea0448804d0e0459d214a1805918b019afb329dbd6891d7670dcf3",
    "signature": "0x3656c175bac24ff45f4cf0bd89e5752a3f6d44c276add3f0749c6c49fc2f3ed40447edb9ebd79a5d56bd47f1d2a3a99b09d7fa3e4d73becd0a99ab0d353268a61b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}