{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa688b04d3b9272cb306111efebefa17476076c5dfe888d388a2792bbf2d9d69c",
    "signature": "0x5d76614a7df39000a4a12b499b3a0b98ac8ebe0cca1bbb6a5612b658c3b449825b078656ffdd6189ac9ddeb2623e2759320810ef4e3127fe8204dd5f7de93f341b",
    "signer": "0xA034BC2bA0D3cbcAc5a449e718F96bAE568b17BC",
    "userId": "658662106"
  }
}