{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147909",
    "entityType": "User",
    "nonce": "0x52b09e91c5afec152885d219ce9ae09db45c20a23e611f010113e2b3a1dafed9",
    "signature": "0x966a2b3afd23791ff9b18f69827d79153183de344f5ff586c8717ab13885164955e243460c7cbbcfd24e4bcba9f7052d091656c799326fbd758ed848bd7e9a231b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}