{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7fca5ca025668cc098e81666a46a4fcd7c2a8449be61082886d6065be794ba8e",
    "signature": "0xf494ecafc5eb5dbb6627fe0d8061b5dc70eb8255e11c29fc593b945a3f90dace5ba98c3542da8e0273ea3a5365ff372c49a24044f74fb0a380e11ade8b82a8201c",
    "signer": "0x36DC01256d97Bf62Df713AA6a6009d4A506F0Dbf",
    "userId": "27472500"
  }
}