{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "351707",
    "entityType": "User",
    "nonce": "0x727bf3701eaf2a931cab678527ca2cf78335b5f0184920da07bfd8b4a3003c64",
    "signature": "0x31c329ff7089b2e1573acb9e1ddeb1ae63e74200e8d99a35417ed38d40dabcd77c3f4cb27a19e8cff22a414ba9df72b59753efd4932db8b93d4127169bd8558e1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}