{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63889053",
    "entityType": "User",
    "nonce": "0xea307ffc1f0889ecf52d28b813d45588f08ed4e134430645dabb880c477acace",
    "signature": "0x5dfcb6f8445142b85949f27acd8bb4215e17018c8e4ae484705662f8842658ee03e502b13cfa1631b88b68b66b9323744890cae6bd14ff023819ab34377c0b571c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}