{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222934",
    "entityType": "User",
    "nonce": "0x33b894da96e4f619178dbb711929dd9b940f27a794d174999f78dbd4a7f6c0e2",
    "signature": "0x2a88b8d8998a86758ae8d3dd38fb2dcace292d1b27b8c06ee8c15cbe4ecc17ab669b18b9ceec148f4519e3a621dd70b9b034f00d2cd1477b2cc4b518b82b6e1e1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}