{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226451",
    "entityType": "User",
    "nonce": "0xd729f01252ea9ab34c0661336d6b497523700088bff6e1a15047e00c5bed2ece",
    "signature": "0x840361256ec6fae16311ce238a14924c895f60cb295c8de330c37798b1b7d2197b6e9ded69d542000e1a3bba0e86df9a2ef130b6e82794c9dc451bc6134397e41c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}