{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x5a3c24a7572b82b1a357b7739647ce186bd4806bbbe37015271520635b36ea23",
    "signature": "0x2616e9877acb9bc75bc788f0c8fec40e6fda9caaa3e43658ab51745fb7c272f20c3f33d11c07620c6c0fb907084ebba380a1d7a9e9520a06172e9a23cf30ef651b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}