{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x5fb12419b5a56b3328756b3100ac91ec5c927e354fd23dced27f3492f8882670",
    "signature": "0x62f4c2d0d23de4dad8688dcafbe2873933d98a24c39393fac01ab7d5d7ac121e50cd2835a5602f09f2e8c90cdebb0259b0db34f061415a88a1018001800d3f7c1b",
    "signer": "0x2413679eD5Aa7730aDf989AFC81d0a69AEB061AB",
    "userId": "670006010"
  }
}