{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6b3bb1e96208f29be7aca34140ce92a5e436beb0dc6dfef3f5c7d6c8c08cf655",
    "signature": "0x4112fe09c0d26995218baff008581c8284beb1e181610e3e6e68aa63b896b67010404736b0f85d7364305b3e3f2d5172106a7396fa1788e3688e0b73c6a4267a1c",
    "signer": "0xD7BAd350127c691aA3856EE6eacFeBE76258dF4F",
    "userId": "7834335"
  }
}