{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x11316410cbcb03543f92140e55f7113bb5f7560c97158c9a2f9cf6b1a4263fd3",
    "signature": "0x49df0928f290a624e9a5155c902cb0813433ec7b01843eb36eb12423e1561e336a8e3be3c215fde0a98993fb07754642e895c3a52f98979037a91eaf719c18231c",
    "signer": "0xD34A2079d464FB6656A17fe80b91E564C4bA0588",
    "userId": "591026455"
  }
}