{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "780083254",
    "entityType": "User",
    "nonce": "0x4a95757d4561e2346699a8bcfc637046744ab984f538cc619d8a3897aa4f1f88",
    "signature": "0x39f50e1960999b58bdb546d83718c1db78a4bc52a80e23257a2da5a2990fd0db7efc6d7aec8f35c44b39cd8bffc6c425ae731c7fac4e0c35a1c4ae1fdc12d7131c",
    "signer": "0x62B225252b0b7b2708Ba325A70401F66d02331A1",
    "userId": "942799090"
  }
}