{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0e547bb2ef77883612d7ec2b118ff1886e189bc05f0c6167d7036937408a0f69",
    "signature": "0xb7b5103fc2d0c5c672da8fc830b030be73672ce2f80545e00765a9369a191fbd0ac20726a612b03bb26a86e72826ad206f1d117aa1f37443c84eb233bc7a5b281b",
    "signer": "0x2605E508B347cFcb3181F3e77fe791C0608725f2",
    "userId": "95054568"
  }
}