{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65237",
    "entityType": "User",
    "nonce": "0x82cb1a31034dbc48031ade7c711ce1c33d1a429b21b9eff557914c0c27605253",
    "signature": "0xf4fb8606a6f7147c2af16299d6bd358a3149e068dbba2e9a7d38dda8f5e1a1154df5907475e917304825c5ac072dcc8fb3c81e9dc76c5b19622c234ac81426531c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}