{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x1844d1e4c93311e5caf31491e6762aceb790d3acba41bb658db9b0a6bb09ab1d",
    "signature": "0x26c097833948452ffe44fee12142538a067cdfc4a93425c67dbfd856c976c7937be693ee44d88876c5e8c93278c9113cbfe6c3ed99912d4560567ea5de9093df1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}