{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x4decfc0359a76fe390a08ff0e4c98bb11831a40bbef4f40de630721fb1df4549",
    "signature": "0x6f15e1440c0c88d60b69de89edb82ce00b7c88370c11b15827184dff4ec0c5bc6372f9d1ec56a468f21662d3b90cb6ef63dd077a63b0102887b89e56191665761b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}