{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "733182",
    "entityType": "User",
    "nonce": "0x73b3bad1a33a5cb971b788f3b5133af30af8d428ef7e4e46cf85c2e06e7aba82",
    "signature": "0x90dc694385ded9e745a64fd84f9f4718460c8e20ef466b694bb7736890eeee85514da4e0a721447e1a4799a2386ed5891fe0275a004fdf2d0d20275ec264add71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}