{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358656",
    "entityType": "User",
    "nonce": "0x9d2a704faa2cf279b48200a374a7ede4541c3ad3861bc3dd14b96c4ee7df9af7",
    "signature": "0x1c0dd17211047d197731ffe21ac686d5294dc705a34b94263eeecab224d8bb8f1c7ee6fdc15e7226c94f6e807bb4f5378d6ffa474dc55cd5ff454b617abd959a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}