{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1026360eec254cc15996cdef6a13c3c42c845480f95e52b7010d719650827991",
    "signature": "0x1aedf7bc4db747a89ed08cb94dcf2ec553bf2262c5d38c98fccf7a36896f97c969ebde0ad25c6f49b88d7768655c81785b4e3d91e6556316d90b811a6d0cc2cc1c",
    "signer": "0x801cFd101977829e8D371a77d53FB980b2BA75f4",
    "userId": "611862968"
  }
}