{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbb46281be0bc373388c6419ac90f25382ea28751ca916b4b9d23cdaefc4a7aff",
    "signature": "0xb489f1e1fa010a5527af7ceed8790460b27048ce5a5e3760968e48ddc08a558e0b37ad14bec7bf8941340ed6c84a3a71c29d58ae7a517092be7989ed745c33ed1b",
    "signer": "0x64F598C81c0625EA190d421bEe9C604A9EaD5ea6",
    "userId": "462839245"
  }
}