{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "794756",
    "entityType": "User",
    "nonce": "0xc1ca81cc77f65f407dca951b04fb61a501f91891a410cbca4a8d9d02812cce77",
    "signature": "0xed300bed6b940d792c7366fe4d463cdc713b18a0820300103de7536d579a07a02e407e44b6de42e0b51d8cf710b95fa0ef8bad04ec5c6afb1ce1bdb31f84ca561c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}