{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x51c00b576587abe59a74ed4334fe9aa8897f3920b3274b343e6e7c76ea112f23",
    "signature": "0xf1b8ab2e7a85ba2c7fd4a673e0742ecc89cd2bb3cc7d2d2966f86d6998330da024ebfe2a529f1aa8a54560190c11d83e8cf0e21244bbe61a1ff0d38aea5496271b",
    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}