{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228434",
    "entityType": "User",
    "nonce": "0xc0b73cdd2b32f9dfbd5c28a37bb96b4a8e01fade3f4933ede3a8783400a3d350",
    "signature": "0xef53f7a5c3b01051a171df0e3375eee835722d65ca89c91ce6d61033f108a73505398add78aa9dad2d128522f47e8e5e66c02f8d206e6859c6305cdecef017d41b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}