{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0x67f563adae6d94c322186bef74ac1660b11f1ef4a856edcb702a93d2ffe007a5",
    "signature": "0x694da939d4534d3140bd04e1e2bdd6c16fb0f2633bda516dff6393a7a17f32c72e5066a60ddaf1799657caa7fa463a87baf3cc472adc67766c6fe12fe99d8deb1c",
    "signer": "0xC4e7DcD6A5AC88f4E86b3459Bf65129acBdd3794",
    "userId": "108256647"
  }
}