{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "243128083",
    "entityType": "User",
    "nonce": "0xd5177a338d7e17063ae0e4517060e379b4d84a184dc585ce58d032dee6172c0c",
    "signature": "0x42a5a9da52c0254dc919841158b0bfcba29e712e64cdafd6db01ccb79254dbaf69ac176591b6e8a728bd3533fd32d2dd8992f406daf6b36a0a737d03f4f952821b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}