{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1863416",
    "entityType": "User",
    "nonce": "0xacf03f142fdb83c483a839de4d49073772548a322eff00e4e4f9eb0881559021",
    "signature": "0x3d8ae278fb09956c453cdc6d1c2455c5ee11280a19d55c6c24bcb67845bf586048e524d91f8c1069fde110b95d9f7dc75db1e46ecfaadba827f15534360682e51b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}