{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x771662708872396e9d7b5e22f5b5a292c16f8f14ce0ee647595ff5eb05ed6d5c",
    "signature": "0xb0cd4b65c0361fb687d1344680f0ebcb8785ae6e2fc14cfd17598e92cdfc4c0405e1a2956e954bfb313410cc21ae9f56dc403cb31940b660b47e565a92b136bc1b",
    "signer": "0x0B11146E8b19658E349096521A49B9B182e02c61",
    "userId": "292470861"
  }
}