{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458118601",
    "entityType": "User",
    "nonce": "0x08604cad16bb2f8be383453b5f8f578dfad6b4b5b8387c9dbb5cc13f838198d8",
    "signature": "0x09311e61ec979d060a61f2357daf525b396cd5ecfca4115d5811ee2edb198f956e42ab54f09cbdc8dcab04c1f702474fa3410a7980d80f455041f6691a4e19981c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}