{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132562",
    "entityType": "User",
    "nonce": "0xd150215e4038428929d91b32b006daf5f9153cf4ce5ddb673ee129a7d25c1930",
    "signature": "0x8c9ea3780e04d7272ff9334221bcd3d85b5283ae09af2c7974bd944c2766293073c7d3c156f29be1ac8c08b1f5343b06a6c6238d1f40a952f928383cdf1e7d081c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}