{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183442",
    "entityType": "User",
    "nonce": "0x7027b3dbf7b121c61f7138d04bfb4a15dc56ec826f2b29443d9d97f1f2869d50",
    "signature": "0xc10518fd973674f89f698bd0c519800aaf590f582c1f36f4b1fed76237817ae94cdef0e2e9de8ea5805ce7cf5ca597738f7d0351e146c5ea96b08cfaea6c3fec1b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}