{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb39c5e231e3de7dd569d7079d7eca0147aa4c316d63eccd1f18ebd0fb1aa45a7",
    "signature": "0xbbc1fbd93f96e8e0c802c3ce3156d2a606f18f8ff1b44c1f0d3e06605d53692454b439853e6c07649f0174b086bdcefc178bad93729bbde44ea60614934cfb3b1b",
    "signer": "0x2264b2f08fe9ceF45f284F43F2d5810609875e59",
    "userId": "61333956"
  }
}