{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0xcfcd3445c1510a0e04abdc39d9bf1c9afc45e2753c18b014109e966986c7f720",
    "signature": "0x761fcc18bfec07ca1b476eacdad51b46d38ccbf3e687e4f3af1fa57d118aaa2a1b23b239b8d7dade986c5023a5fa718e4980917120f5bad59c416f019e780da21b",
    "signer": "0xE0927890059f95C33419724ba02C6F327B7e4e45",
    "userId": "769410778"
  }
}