{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227159204",
    "entityType": "User",
    "nonce": "0x194e51ac495990a2f4c450db245d86fb443f90d0ca06e367f4018d81ac81c46a",
    "signature": "0x2fc49b9d2c7b05ea07cebd4138f1e8bfe86f1f2306023fc73baffc6b6dc68b863efa25a07058753cd76c4b1313d52170c9320b7e067dee986144ab8f73dad6341b",
    "signer": "0xc7c27db18a3763967110405512b2122aCF189837",
    "userId": "195061966"
  }
}