{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x08a554f0d3d74572ea21dccd20692f3136761b33cf1d0902bd8151326bc8eb90",
    "signature": "0x4e51d37606fe42e23bd53d57175c4f9e24608460fad9062774f719e85af89ce720858a9f2b5d8e7c8003188da1fbe9175c3ee23da8bcda017342c96ffb9adc491c",
    "signer": "0xca893737e1b1765598267A674C70600eBF23C35e",
    "userId": "451786021"
  }
}