{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108641",
    "entityType": "User",
    "nonce": "0x9e163e4df0a669668c9f51aa673ae359bfcdd1e3b612173115bb29d94d6d1e92",
    "signature": "0x7fbf661ba97cc45bf2f4cdf74c53440d548ea05db9856a2eecf1c862b108f14838fe10086aec67bb4aa4805473629a136375e0cb68e3d5973c4edd695490e0bb1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}