{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1930631",
    "entityType": "User",
    "nonce": "0x1e95964cabf8029d920b6f2ce0f2f3cecea8e51a87a4163e85ffd62a40705ac4",
    "signature": "0x41710877b3d88f4e1e3cf36fb45e79b130b02fc0f7dcb404871821aa83cd482a112975d41d66392a2aa31af4d75a7f740311562f0e3830aa1b0649000c2b7f241b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}