{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xca3b5f488c046c99423f77ec71c2b1f8456f9326f565177cbdc4edb34ef4e661",
    "signature": "0x350af8399aa7a19b3233156057db333df9bfa9598209c94b8d34f69a485d75fd6623602f97fff75cd80f67f609f4555c9e156ece39a03b5900a21c03edae66ad1b",
    "signer": "0x96140a0C98421af577644FEc58eDDf34331B3456",
    "userId": "927608750"
  }
}