{
  "manageEntity": {
    "action": "Follow",
    "entityId": "400171089",
    "entityType": "User",
    "nonce": "0x19b04b130b1c68a1f4cde9a789e09c02dfa3f1d705548e827e81c0ba1b0b7208",
    "signature": "0x99f932523d47a832158851fb0befe3f6681800b754cf3553abf7862bad6378ef447bff41883c1b848244a151e65e8543a3f89e84d0a348b2d123042b26d6fcd31b",
    "signer": "0x4c2B6D597D288449d9F215489E66f1cCe1c85B8F",
    "userId": "721987098"
  }
}