{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x1f83f4c06a0b3e9f135df616ed4234e558c9a78dcf8fb8cc872326eaacd7357e",
    "signature": "0xbc6a2bdc69f49c0f23a8353e9eb66c404de8937c5517c6ed696581a3ca9d467b55a79c6923259389f8d496bc56071c01c800ff3be3d6c03c08ca453e25ec8d101b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}