{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126667660",
    "entityType": "User",
    "nonce": "0x456d48a0d5ac253012b9cbb2dd68bd528c4770e23c94c709bbc91fcecd7d38da",
    "signature": "0x7905ac4cc242e2fdb28337ac2dab8e27cf4f9fc83e293242d64aa6b2c977be0513186e22275c21620066027b146e1efd70a3d0bd4ce91a69830f125cd7d9f6a71b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}