{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x42ad365a521781661a7a63c540503e4e54927251fca902f131ea51aca80b0e19",
    "signature": "0x4f6cffd6c131b5fcefd17d490ed867d05c3b4cf3a32c78ebd4853eb9fd78d0322321c54b0bffbc54afa276198cacbaa05cfb9a98f49b022edfb37f370549237a1c",
    "signer": "0xb1B522e4c290853bC2ABb1D802d311A7EB1e696B",
    "userId": "94334210"
  }
}