{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x749136bb497001eebb4803cc6e675c747c6a9be1e407a753bc2d5cdc648ec47f",
    "signature": "0x761f1790969c35a67d4ecdd8790c08cb8a9a0c59bd8d29c4a39ab6d07010f642043b438b14414cc039f38d3950965e392e7bfe96642753890857033118a7200b1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}