{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xceb911f656890a802cf04d362b2d5a23cc38b5831bfa884aee9b4d74ce1e1731",
    "signature": "0xc77ea00e5956b32a4c21da2544111d607e2cd86b1fe39458f590568b9095d81a36e34b7a9e4d040d510a00148b911351af2ce80618e9377d2d1a794fef95fbd71b",
    "signer": "0x04466826b559ff734EAe9491Bf4C1a3c2fFBA6a8",
    "userId": "272534777"
  }
}