{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4690ee60f38b875790710d1cf43092fadfc5c6263cb36097fa17d15a88803202",
    "signature": "0xc6f8cb1328508deef976801b90390e5523a2481ce5900a8d0615febbee7451c354706ae92323e16c7032156a0e17d5f842501d64f954c563f0368d6696cfa6901b",
    "signer": "0xFA1eda14A6a62810B46791435B5eb917C6cC0f0a",
    "userId": "375695199"
  }
}