{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980093309",
    "entityType": "User",
    "nonce": "0x2c58d63c187ea862a40b122dfde8ab74e40c30ea9c6ea0cc4ee37f0c11ff2dbb",
    "signature": "0x79152bc846f85846747db90fa3a88870c8899aa43edb81b099fb0f3eddcde66809150e9ea164df726d3ca77889ede0e4863da80e09553b43fb4df82b3b6aef961b",
    "signer": "0x4fADC28D15fC4B42A6ab378E5b6155d0b8F33aaA",
    "userId": "372589391"
  }
}