{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x29cc120073021b7bc822ceecbf6b7a23fa8b9b8e93080e0e8450ae5aadf44291",
    "signature": "0xbcb8ae5bde4b378307dcf1d0d8e6a1aed60e5b3f6b1a8dbe746bd82d75e7534c09886377f67dd3f4fb165d64362d548d7b7e56e4002df7b31d134ac8173845b31b",
    "signer": "0x0aCa0527D965D6D591b1139e82FEeE0D16BF3724",
    "userId": "361390576"
  }
}