{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885732",
    "entityType": "User",
    "nonce": "0x08cb7851077a90c727cd1272217a395d2e88b4781b7a876938793a54a348ced2",
    "signature": "0xbd1d3bf6b9d9ecc3677e602bd72ca946fc46541ce8edc03402b2277cd534f1de5f20723279ba7a885ed1aaf2150c55b0015a9e72224aa78e6d3c1ff7055da2821c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}