{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x7b9c7b7baf56481a99a7135616692bf51246410204f4fe0b1d8d5cbd1985f578",
    "signature": "0xa6c5ba330c8846d24f4d84e0eedfed5dd5f3d1ef14d1934295759c2a28af5db85480eee918fc8613cfa448ec24b7c057e0ff888ac80a742abceb322bf373f9611b",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}