{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144585121",
    "entityType": "User",
    "nonce": "0xcdfd61dbe07953530266c77d0f0e9eb91795764bb22265fcf8b5d0d27445bdfb",
    "signature": "0x94bdf9ed071aba424dea11f6f8e7281f3a5375c81c03c71227f382711b19c60b45e68206b981a1af8143d4ed453f34725f9c3255af7ddc49d4bf4986019807ed1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}