{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x2a4ffe9d84a084ae8567baca28be9731501252e822edab8b33e4066de6176fd7",
    "signature": "0x5f5682cd2f445c557ffacc76db1a983f01e734e6c8d3e311a97ffafde63ac96450357bebaf272917b072c25f31abece7e3b4bc4fbde166e8eba10240f0e691c21c",
    "signer": "0xf86eFbd04a21E17dBD9908C016306c8211e740B4",
    "userId": "770730210"
  }
}