{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0xd280e97418248b0d7383a0c6cca908c851f248ab3a72b2aabccf78f7871bfe6d",
    "signature": "0xe180216c17ae2b688772d6d3513f8344684424276e46df0b80e0f4d862d5db803df65168ac9ee4da08f1a1d2a56592edccacc1f2b0452f8fda6a6b60df573cb81c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}