{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294973155",
    "entityType": "User",
    "nonce": "0x2970809243fe6d1d0d75118c4cb2a0a98b4e867a802c2b35b7cf9392b2b811d0",
    "signature": "0x108be74b1a26757a53d9748b3597c0a5cbb645b6644c930b2a932e375ce0138230e878effc05570ecedb96218a93d8717a8763261f106b6c54d34ddff7b724c11c",
    "signer": "0xfd922fFe7bDCaD44A4Cb39ec62344aeA629Ae0ac",
    "userId": "431555736"
  }
}