{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf92653ae08cfe44a3d9a74cc7cac77a51ee5ff6c5aff0ccc32337a1552df47e9",
    "signature": "0x25d2d64ca700b3cf3ba2fdf1ed1327f8eab2e8451c07c06c0b5ae03af560a52d4e363607e86fe9552856e9d0ab81d4427d77b64488f7bfedba48a17a722f71341c",
    "signer": "0xcDcb003F64FFEa1d64e5FEc86AE1BbefE53f95c1",
    "userId": "59732202"
  }
}