{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcad935c8a725e257935e72b0caab68de05828a86f881e6c00464a90be36e9ce6",
    "signature": "0x033d4e75448468e53c36aa1a5345c11735774e08595f05d49a509860b5e0eb116ca471d3b084d6021b011670294cd4720d7d6608c63c3390891dbacc49e2fbb01b",
    "signer": "0x2676dA5762dBC49D250259827a9EE96CaAFE7aC5",
    "userId": "293363307"
  }
}