{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3829",
    "entityType": "User",
    "nonce": "0x82118fd6316453a5ff5ca96ee45a3460dcf23ac19befdd0e49a57abf61929ddf",
    "signature": "0x30881adf8c9d05e08b729f4a785aca5f875568ab311292471dcdf622a868ca3a7a0e341cf5067e74598e4322edf2ff47db5897bb2a2fe961064664f3041813631c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}