{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xf57fffeb4108e7ba178ab75a98107e41db92429ccdb70bd813dd7cc09597c207",
    "signature": "0x10ef16cf3248b0cb4e62a42896083858d065a4b0f092f0210b728f69df8b19c804f521590f1c989ee0b888973e91202389a7a2380b03c8d2f126ccb87d7847ab1b",
    "signer": "0x704b735698b4AD6E9E2136A2BC9C2385B38148c1",
    "userId": "635918520"
  }
}