{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80151",
    "entityType": "User",
    "nonce": "0xc19816f83774c85d8c54ebea508742b65bb4bcdf6e3ee1217e02cdb84ac91f8f",
    "signature": "0xa983ecbdc4e066caea26c99037c5bee8ba3972a4d91f3528c593689bcda17b086474fe86e562e97212525c02210a42882c4629e25d9c2a3930217ce93e1a9f1c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}