{
  "manageEntity": {
    "action": "Follow",
    "entityId": "990620",
    "entityType": "User",
    "nonce": "0x02499db659ad160c9fde84fea61945f15da0253b8207ed3bd7c2e3ed97bef4e0",
    "signature": "0xf4ab3a7b1be93d288bd8b1e97e36ad856d13320d61656792a6837c04f17e5b2d5cb864681a2ae87f99160fa1a39410411acb979444f595d51bdc4e0807f62cd51c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}