{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe24451cce424042166ba29f20e2b4769b4a0080b47c49a62389b77fd2411886c",
    "signature": "0xa52e3823a3a94ea104d3745587077704df28678394a44bee33e4c0ad05a5a25a64af1f64e7c8505e9b07b6aee8bb1ec9740e82f9cfe52d7ee46a2ae02ff4eab91b",
    "signer": "0x416a5C2ea918764e4F698AB830C9c04B86cD3464",
    "userId": "605459163"
  }
}