{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962812532",
    "entityType": "User",
    "nonce": "0xe8ab7c7ca7ef7007a571a02c19d01eca6238c8bdf529b691cf1122fa371207df",
    "signature": "0xa984e5d871b8951259ddc5ba23445e86f57cb39f3ca38e99aee9a2cb6729645775d4dd7812247b535e1c9bfbe665cd5a35ce53151c0adbef071eea7135f03b821b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}