{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfea56c2c3e7cd68a3d2f0a07d06003fc52aafd57a24c84879ed6f3d2233880a4",
    "signature": "0x0113aae995ab89505ec491a2da3cbb7b49d3808b4e9f8754342590e8a49f53bb205454d6a87c6f3bc0e642f300eb3a24f7226beed1890d79f01b314ea35fe25b1b",
    "signer": "0xdC3259a4db5A8697644164ebA1621FC6A4C37488",
    "userId": "792349587"
  }
}