{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xccedf300d562e61a659844e7fa3d9f98db62a1bfac55d2b5992af7dffbc1a984",
    "signature": "0x97fb648916925e6d046462c3a91fbe087077c8120e5cb822ed0cac3b8832b8a20c06d65ce3c60fe56f9af7abf79c1da7f6655138d9b2e469c280bb665d88aee21c",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}