{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x05f24f7285b772834e38ec730d0851911632bf50e3d8e58ddaa7a7a792c5ada9",
    "signature": "0xea9fe07727cfcb9e9664ae015d2279a9bf1b7d14c12bac454721412c801975821dbd3fc8f6cd7c5859f84df723fe587be9bb05f428a629f7f565262fc5a4f9961b",
    "signer": "0x950801da2E0c0D61fA76CAb96395566E18eC88f4",
    "userId": "220882196"
  }
}