{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x86cd52f9bd15369baef1509a40d26afb2aa89bda8250c898a8d88f77fdad574b",
    "signature": "0x2caecd9763fef97b7032e8ceb22c43cc06c51714a4220d32db75cb358715585946a150750e3397d31ccfe158e29b578ed7ffa5f5bb299408c07a0c7a9034022d1c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}