{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "243128083",
    "entityType": "User",
    "nonce": "0x66e98794b4765ef61c7235f7c90e5b762b91b979a63d75d0870743af5f6f7959",
    "signature": "0x48d153a760115dba986de8f57e901d6cd30d9692cf69f98f5ce164bd1d1a6e9852d62959a9a903027e806e9b1962ba8558579506f43eb788ee94177fcdde8a691b",
    "signer": "0x027dee4FAcAE77245A6F18464aC5fBf055796333",
    "userId": "485711275"
  }
}