{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "242639",
    "entityType": "User",
    "nonce": "0xe9a7a7a8dd28c2a1f55180003c5b03595145f2f33d004ab2772dfd046bb0ed1a",
    "signature": "0x0536e0da1f1ab7661ee26fcd69d5837e5987e76072acd437b8195271856bf515480718b26e67820c01ed1094f888a0ab1ef75b68e8a65ef0161f4f74673a334f1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}