{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "487640022",
    "entityType": "User",
    "nonce": "0x05e706e0d7a5c6f8c7eddda770a75105e5d3cde6b3bbd80f99c7007e4286f8ca",
    "signature": "0xe43c597c2b56b2090ce7a06e3f0563b14069ff65d72c652ae2f5df69a0d104e971bfdd9675c72d2fcc4664842d50fb5551ceee422d953a8e12cc66c1d2867f631c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}