{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297007",
    "entityType": "User",
    "nonce": "0xd164e0fba95c3f825fa783556c06454c059d78247ac233c76f40fc4e974b2cb2",
    "signature": "0xab6f8e529bfd8db136e01e7ee110a8c69e91b08c9014f00834cadc92376922710dcfbeaa3d1a2254164757b70d6fdb83fe0dd4606f6a1de8da056bd7b78617721b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}