{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65349",
    "entityType": "User",
    "nonce": "0x8da0f69a74f0c8ad51e46940c5fb0693e68eed4485710181b215fea65ce62502",
    "signature": "0x686e56369e73a005d757ef1f576cab9a6c7acd3a1ac5e25c669def45f686821d09b65b5f61b2b6efd5bc13d24790fa3f3d1c86f3950e2d4565f857ac9b50b1461c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}