{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52954",
    "entityType": "User",
    "nonce": "0x8ca14d8e341273230a1f488d6abc44ccf295a5204fad2a7f1ef32917a15fa8d8",
    "signature": "0x8b9a10e9509145c266387b97a623b7aea36fe39ab13aed49bb94c656d6eee282501c6774e9a1be9c78fe8a802bf1272faccb5e9baab97defb190424c0c62735d1c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}