{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0xcb3afeebde3c8fdc3b7a5b20cfaad1153753b9bed5cae64d41545afc7c4a5a07",
    "signature": "0x0a5b9b81724205977c4e338eb0ed51b84db5c8ee66490da28ec6a8f133e725404271570bbc55f772cd74d292b8fb6b4a14700972a69c1afea376b31f14141cc21c",
    "signer": "0x58A3eb1b3C9EF9b2FA599C2B465EE50183253a33",
    "userId": "35164263"
  }
}