{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xdb7196df756f7dfb161c7578d3e33cb108a77e24643d89980d6a7e8ee4c4b604",
    "signature": "0xdd88c2c6028f674f5b39e7cbd88e3d00f123db203cd6531f3da62475bc56030f7247ae30153fa072781894cf0221282347fbf07ba30cd35d4f7e4741d577bee91b",
    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}