{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105131078",
    "entityType": "User",
    "nonce": "0x36db78b72ce24145f7a97e6c9ad39bb860f75088232c8d2e2977c751a1dc7a0b",
    "signature": "0x402ff965938ebd0333af69c9c7e8fed07f1abc9573619e8424161a5d32c1010a29c873d91cfd2c7e43b39d0a11a2336d9a883b00692c03ab0164e9b482929f5f1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}