{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x17a440bcbcb2442e094a5a3b1d800a91e6ea7759a94c888cc40fff3858776400",
    "signature": "0x1af19788068d83d2f8a0b96756a5d2a6471a92a7e807f92c24a103ece0f6b3e517a868b428b037abb6e8129f697a6899b17b330aa94769211ea6874085cf4e2c1c",
    "signer": "0xd4172DACb313eb72C6Ee29bc685450908f4A1926",
    "userId": "407046354"
  }
}