{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56960",
    "entityType": "User",
    "nonce": "0xf87a6cad2d707f13b98c2c9b9662bae22c9dfce1a453a0f92acaadf778968d57",
    "signature": "0x61ca963147c0ecb6650fe30334aceb6b3b3c7ff3394ee475de3440e15d889e590cf44d9ddea83e1b50e4d6d0eb8dc7718eeece8c641c50956d3ba702dda17ff61b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}