{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x10640db9198ba604f314b2c2ab4220feca2974e70067f2a55d309c504ae45aad",
    "signature": "0xed14b1260cf0610e6202bf8a2afa6d5f43d94645efa4d4578463b15e4074bfe14a2ad0337d2c9c382aedf9f38ad61882235e4c4ef754b89b88dae9c902b726341b",
    "signer": "0x05B6178eFB70dCc360177e9BD14cf7CCdAea9526",
    "userId": "381197138"
  }
}