{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x3e5f2b099348e854f0e9a209b9432394709417ea431422ac14cc082b3c72fb5a",
    "signature": "0x25cc719df255d37176c1b345f9982f06886d5d34c94045435b4620b8ffe98a0078acb41654d74334acf8b6621cb2af5373d55ce5c56727089688ba3773516b7c1c",
    "signer": "0xd4172DACb313eb72C6Ee29bc685450908f4A1926",
    "userId": "407046354"
  }
}