{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996252",
    "entityType": "User",
    "nonce": "0xee73ac21285eeb727fa4d9c09b643de7efe597d458b6fbcf3f32bb6eb90c6fde",
    "signature": "0xa7405d9b650e65422551e6a266848e7da6d0c5c8d036f37c24c576d9deeb10385a45aeb8292579ba40041407e9ae57272231de0fd5e96d57b41bf57179c177261c",
    "signer": "0xD030C50A1e9d69bF62F239e09168f1A4C41079dA",
    "userId": "131095"
  }
}