{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xf1a88935846a8b7993cbebedfe26996c8c9a39552c5b2c9a8442846f913fb997",
    "signature": "0xcd3bc400b0b9e1f06a01add423460097ad3d5c5f47e95ffebf5cf7d7a7fa2ade43edc67187ee552ec6b1d52536972bf56711c9a46aeab84f0c97738e3055e0fd1b",
    "signer": "0xfe6022590e48C8eA51d706EbF4eAe799214A737c",
    "userId": "900610030"
  }
}