{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131810",
    "entityType": "User",
    "nonce": "0x555ea6c3f40b8ec1a3f45adeff1886197cb2509b3683e8dca0cfb0a4fd6417c0",
    "signature": "0x7fc5abf688c768008e4c09ecbdaadd1f098332da8285fe5bb140719d5a52ec7069583f4afef8b32fd0ca057e9bf1abdb87d51f850f64bc6faa7fa19a4cb6bbe91c",
    "signer": "0x0946c54D7Bd95A069DD100F93Ec74b01b6023523",
    "userId": "230796408"
  }
}