{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x37c348076abea18dc7f3cdd20e18596356cdad583ed17009fe0510cc8f1e33f6",
    "signature": "0x79d9f8fa9f211a2aec14a45e1cbcf1c874f2764f20108160e4a6b2d89135d69260ad6cd87969dddf82653906f5ee76bfd6ef34724728751694db829fd098f2181c",
    "signer": "0xBe9B6f5cb472cCcDCEFf1f823a3Ec32D93CcF9C1",
    "userId": "944117628"
  }
}