{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105524",
    "entityType": "User",
    "nonce": "0x49bff39d4400d511500a4d420fc54918bf57acd0d6df71ad1b31aa1105bcf2b6",
    "signature": "0xccb9c1cedfcc56d0f78d9952dc1fca50fb179fc86476ced4f0c32815a366fc4e7573e0b6126c59ac44f21bddd1309741c5b88bbae14adce1b4851e2c2f34c8971b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}