{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0x1feb89131345fe5060300a493676e15e01f92bfebf816b68aba5acd7c15ed290",
    "signature": "0x5c76b5771627480d8cd5d4a69acbb49b82217dbfc01b65eb1d812eb7fac6f74549ec5f8b42ef756ad909d13030940150edb6ddac9b548927647b1be61385b5131c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}