{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4132",
    "entityType": "User",
    "nonce": "0x58788c1c3179ee296b6af9c502c0729a6f6ea9254353724e0b33031d20230cd5",
    "signature": "0x54aa53dd63b2817761063f56b48664c9ce235544fd27cf99d3438c9a6f237e34165615b256d3143fdcb1a6c783e107c94092ec424773ac9efa1b40434c7e60aa1c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}